| 1 |
People on hills experience atomospheric pressure. |
- A. More than that at the sea level
- B. Less than that at the sea level
- C. same as that at the sea level
- D. Four times more than that at the se alevel
|
| 2 |
The approximate distance of the Sun from the centre of the milky way Galaxy is. |
- A. 24000 light years
- B. 22000 light years
- C. 21000 light years
- D. 25000 light years
|
| 3 |
Green house gases is |
- A. Carbon di oxide
- B. Methane
- C. Oxides of nitrogen
- D. All these
|
| 4 |
During interphase.............. in the nucleus are duplicated. |
- A. DNA
- B. Gametes
- C. Cytokinesis
- D. Chromosomes
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| 5 |
Spectroscope is an instrument used to edamine the wavelength of. |
- A. Water waves
- B. Sound waves
- C. Light waves
- D. Air waves
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| 6 |
The king of chemiclas is |
- A. KOH
- B. HCl
- C. NaCl
- D. H2SO4
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| 7 |
Baking soda, calcium carbonate, glycerin, fluorides are usually used for making. |
- A. Soaps
- B. Detergents
- C. Tooth paste
- D. Banaspati ghee
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| 8 |
The three key ingredients used in making soap are. |
- A. Oil, lye, water
- B. NaOH , Oil, lye
- C. Glycerol, oill, lye
- D. glycerol, water, oil
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| 9 |
pH value of milk of magnesia. |
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| 10 |
Plasmid and attached foreign gene with it are collectively called. |
- A. Recombinant cell
- B. Recombinant chromosomes
- C. Recombinant DNA
- D. Recombinant plasmid
|